Flight
UAL558 28 Sep 2026
UAL558, operated by United Airlines, on 28 Sep 2026: Denver International (KDEN) to General Edward Lawrence Logan International (KBOS). Scheduled and actual times are local to each airport (hover for UTC).
Flight
FAA SWIM schedule| Route | KDEN DENVER INTERNATIONAL → KBOS GENERAL EDWARD LAWRENCE LOGAN INTERNATIONAL |
| Status | Completed, departure delayed +330 min |
| Scheduled departure | 07:45 MDT |
| Actual departure | 13:15 MDT delayed +330 min |
| Actual arrival | 18:50 EDT |
| Duration | 3h 35m |
| Aircraft | N14540 A21N |
| Max altitude | 31,050 ft |
| Distance tracked | 1,520 nm |
Punctuality, last 30 days
| Flights | 7 |
| On time | 2 (29%) |
| Average delay | +86 min |
| Worst delay | +330 min |
In the last 30 days UAL558 departed on time (within 15 minutes) on 2 of 7 flights (29%), with an average departure delay of +86 min and a worst delay of +330 min.
Schedule, departure and arrival times from the FAA SWIM feed; aircraft, altitude and distance from the PlaneTrack receiver network. On time means a departure within 15 minutes of schedule.